Valence Electrons
Lewis Dot Symbol
Lewis dot with charges
Lewis Dot Structures Ionic
Lewis Dot Structures Covalent
100

Number of Valence electrons in the first column

1

100

Lewis dot for Hydrogen

H with one dot

100

Draw the Lewis dot for O2-

8 dots around O

100

Lewis Dot structure of NaCl

arrow from one electron in Na to Cl

100

The Lewis Dot Structure of CH4

4 H around 1 C (1 pair of electrons with each H).

200

Number of Valence electrons in the 13th column

3

200

Lewis dot for O

6 dots around O

200

Draw the Lewis dot for Cl1-

8 dots around Cl

200

Lewis Structure of NaF

1 arrow from Na to F

200

The Lewis Dot Structure of NH3

3 H around 1 N (1 pair of electrons with each H).

300

Number of Valence electrons in the 16th column

6

300

The Lewis Dot Structure of Antimony (Sb).

5 dots around Sb.

300

Draw the Lewis dot for C2-

6 dots around C

300

Lewis structure of Na2O

1 arrow from each of the Na to O

300

Lewis Dot Structure for HCl

H-Cl (1 pair of electrons)

400

Number of Valence electrons in the 2nd column

2

400

The Lewis Dot Structure for Chlorine (Cl).

7 dots around Cl

400

Lewis dot for O2+

4 dots around O

400

Lewis Structure of BeF2

2 arrows point from Be to each of the F (2 arrows total)

400

The Lewis Dot Structure of H2O

H-O-H (2 paired electrons for O)

500

Number of Valence electrons in the 18th column (INCLUDE THE EXCEPTION).

8 except for He, which has only 2.

500

The Lewis Dot Structure of Selenium (Se).

6 dots around Se

500
Lewis dot for Sodium 1+

Na

500

Lewis Structure of AlCl3

3 arrows all starting from Al

pointing to Cl (1 to each)

500

The Lewis Dot Structure for HCN

1 H single bond with C, C making a triple bond with N.

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